APA aipamena

Roberts, J. M. (1996). The shorter history of world. Oxford: Helicon.

Chicago Style aipamena

Roberts, J. M. The Shorter History of World. Oxford: Helicon, 1996.

MLA aipamena

Roberts, J. M. The Shorter History of World. Oxford: Helicon, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.